WO2006097993A1 - Dispositif d’affichage à cristaux liquides et procédé de fabrication du dispositif d’affichage à cristaux liquides - Google Patents

Dispositif d’affichage à cristaux liquides et procédé de fabrication du dispositif d’affichage à cristaux liquides Download PDF

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Publication number
WO2006097993A1
WO2006097993A1 PCT/JP2005/004466 JP2005004466W WO2006097993A1 WO 2006097993 A1 WO2006097993 A1 WO 2006097993A1 JP 2005004466 W JP2005004466 W JP 2005004466W WO 2006097993 A1 WO2006097993 A1 WO 2006097993A1
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WIPO (PCT)
Prior art keywords
liquid crystal
type spacer
display device
crystal display
spacer
Prior art date
Application number
PCT/JP2005/004466
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English (en)
Japanese (ja)
Inventor
Shinji Tadaki
Yoshinori Kiyota
Toshiaki Yoshihara
Hironori Shiroto
Tetsuya Makino
Keiichi Betsui
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Fujitsu Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to CN2005800490955A priority Critical patent/CN101142516B/zh
Priority to JP2007507963A priority patent/JPWO2006097993A1/ja
Priority to PCT/JP2005/004466 priority patent/WO2006097993A1/fr
Publication of WO2006097993A1 publication Critical patent/WO2006097993A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars

Definitions

  • Liquid crystal display device and method of manufacturing liquid crystal display device are Liquid crystal display device and method of manufacturing liquid crystal display device
  • the present invention relates to a liquid crystal display device that performs image display by controlling light transmittance of a liquid crystal material by applying a voltage, and a method for manufacturing a liquid crystal display device, and in particular, maintains a gap between opposing substrates.
  • the present invention relates to a liquid crystal display device that defines the characteristics of a spacer for the purpose and a method for manufacturing the liquid crystal display device.
  • liquid crystal display devices are widely used in various devices because of their low power consumption and portability.
  • disadvantages include low response speed and poor color reproducibility due to the use of color filters.
  • a liquid crystal display device using a strong dielectric liquid crystal has been developed.
  • Patent Document 1 JP 2000-89232 A
  • the uniform orientation state of the Sc * phase is the isotropic phase (Iso phase), one-strength irrnematic phase (N * phase), one-stral irrus metatic C phase (Sc * phase)
  • Iso phase isotropic phase
  • N * phase one-strength irrnematic phase
  • Sc * phase one-stral irrus metatic C phase
  • Patent Document 1 describes a method capable of controlling a cell gap in an expanding direction using a spacer having adhesiveness, and performing highly precise cell gap control.
  • the volume of liquid crystal sealed in the cell gap is determined when the liquid crystal is injected.
  • the difference from the space maintained by the pacer Stress the liquid crystal.
  • adhesive spacers are provided at high density, defects such as voids occur due to differences in the linear expansion coefficient and compression elasticity between the display area and the seal portion, and the display characteristics are remarkably increased. to degrade.
  • the area of the spacer provided in the display area Is increased cracks from the seal part or alignment defects due to stress invade the display area during the cooling process after the alignment process due to differences in the linear expansion coefficient and compression modulus between the display area and the seal part.
  • This alignment defect may disappear with time, but it easily occurs due to a temperature change and deteriorates the display quality.
  • the present invention has been made in view of such circumstances, and has a plurality of types having specific physical properties (linear expansion coefficient, compression elastic modulus, and glass transition temperature) that can favorably follow the temperature change of liquid crystal.
  • An object of the present invention is to provide a liquid crystal display device capable of reducing alignment stress by reducing the stress generated in the liquid crystal by using the spacer.
  • Another object of the present invention is to satisfactorily follow the change in the shape of the spacer with the change in the temperature of the liquid crystal by defining the glass transition temperatures of the plurality of types of spacers according to the temperature in the manufacturing process.
  • Another object of the present invention is to provide a method of manufacturing a liquid crystal display device that can reduce stress generated in liquid crystal and suppress alignment defects.
  • a liquid crystal material is sealed in a gap between opposed substrates, and a plurality of types of spacers are provided to maintain the gap between the substrates.
  • the plurality of types of spacers have a linear expansion coefficient of lOOppm or more and a pressure.
  • the glass transition temperature of the spacer is higher than the glass transition temperature of the second type spacer.
  • the first type spacer having a high glass transition temperature is used for maintaining a gap (cell gap) between the substrates, and the glass transition temperature is low.
  • a seed spacer is used to bond the substrates.
  • type 1 spacers linear expansion coefficient: lOOppm or more, compression modulus: lOOMPa or more
  • type 2 spacers linear expansion coefficient: 20 Oppm or more, compression modulus: lOOMPa or more
  • it is made of a material close to the physical properties (linear expansion coefficient, compression modulus), it is easy to follow the temperature change of the liquid crystal material. Therefore, stress on the liquid crystal material is reduced and alignment defects are less likely to occur.
  • the liquid crystal display device according to the present invention is characterized in that the first type spacer has a linear expansion coefficient of 300 ppm or more.
  • the liquid crystal display device is characterized in that the first type spacer has a compressive elastic modulus of 500 MPa or more.
  • the second type spacer has a linear expansion coefficient of 300 ppm or more.
  • the second type spacer has a compressive elastic modulus of 500 MPa or more.
  • the first type spacer has a linear expansion coefficient of 300 ppm or more and a compressive elastic modulus of 500 MPa or more.
  • the second type spacer has a linear expansion coefficient. Is preferably 30 Oppm or more, and its compression modulus is 500 MPa or more.
  • the liquid crystal display device is characterized in that the first-type spacer and the second-type spacer are stacked.
  • the first-type spacer and the second-type spacer are laminated. Therefore, the area occupied by the spacer is reduced and the effective display area is widened.
  • a method for manufacturing a liquid crystal display device includes a plurality of types of spacers including a first type spacer and a second type spacer having a glass transition temperature lower than that of the first type spacer.
  • a method of manufacturing a liquid crystal display device in which a plurality of substrates are bonded together with a liquid crystal material injected into a gap between the substrates, and the temperature at which the substrates are bonded is set to the first type spacer.
  • the glass transition temperature is lower than the glass transition temperature of the second type spacer, and the temperature at which the liquid crystal material is injected is higher than the glass transition temperature of the second type spacer.
  • the temperature at which the substrates are bonded is set lower than the glass transition temperature of the first type spacer having a high glass transition temperature. Therefore, since the substrates are supported by the first type spacer when the substrates are bonded, the cell structure is not crushed and a predetermined gap is maintained between the opposing substrates. Also, the temperature at which the liquid crystal material is injected is set higher than the glass transition temperature of the type 2 spacer having a low glass transition temperature. In general, the linear expansion coefficient above the glass transition temperature is larger than the linear expansion coefficient below the glass transition temperature, so the cell gap is large until a phase transition occurs after the liquid crystal material is injected. It changes in. Therefore, the type 2 spacer with the glass transition temperature lower than the temperature at the time of injection follows the transition of the large linear expansion coefficient of the liquid crystal material. Therefore
  • the method for manufacturing a liquid crystal display device according to the present invention is characterized in that a glass transition temperature of the second type spacer is not more than a phase transition temperature of the liquid crystal material.
  • the second type spacer whose glass transition temperature is lower than or equal to the phase transition temperature of the liquid crystal material is the same as that of the liquid crystal material. It becomes easier to follow the temperature change.
  • the first type spacer has a linear expansion coefficient of lOOppm or more and a compression elastic modulus of lOOMPa or more
  • the second type spacer is It is characterized by a linear expansion coefficient of 200 ppm or more and a compressive elastic modulus of lOOMPa or more.
  • the linear expansion coefficient and the compressive elastic modulus of the first type spacer are set to lOOppm or more and lOOMPa or more so as to approach the physical properties of the liquid crystal material.
  • the linear expansion coefficient and compression modulus of the type 2 spacer shall be 200 ppm or more and lOOMPa or more.
  • the method for manufacturing a liquid crystal display device according to the present invention is characterized in that the second type spacer exhibits adhesiveness after the substrates are bonded together.
  • the first-type spacer and the first-type spacers having different glass transition temperatures.
  • the physical properties (linear expansion coefficient, compressive modulus) of the two types of spacers are made easy to follow the temperature changes of the liquid crystal material, so stress on the liquid crystal material can be reduced and orientation defects can be reduced. Occurrence can be suppressed.
  • the temperature at which the substrates are bonded is set lower than the glass transition temperature of the first type spacer, and the temperature at which the liquid crystal material is injected is set to the first temperature.
  • the predetermined cell gap can be maintained at the time of bonding, and the type 2 spacer can easily follow the temperature change of the liquid crystal material.
  • the stress on the liquid crystal can be reduced and the occurrence of alignment defects can be suppressed.
  • the glass transition temperature of the type 2 spacer is set to be equal to or lower than the phase transition temperature of the liquid crystal material, good follow-up to the temperature change of the liquid crystal material can be performed even in the vicinity of the phase transition.
  • the type 2 spacer exhibits adhesiveness after the substrates are bonded together, it is possible to control the cell gap in the expanding direction.
  • the area occupied by the spacer can be increased as compared with the case where a conventional spacer is used, and a large panel strength and excellent display quality can be realized.
  • FIG. 1 is a cross-sectional view showing a liquid crystal panel of a liquid crystal display device according to the present invention.
  • FIG. 2 is a schematic cross-sectional view showing a cell state when substrates are bonded together in the method for manufacturing a liquid crystal display device of the present invention.
  • FIG. 3 is a schematic cross-sectional view showing a cell state at the time of liquid crystal injection in the method for manufacturing a liquid crystal display device of the present invention.
  • FIG. 4 is a cross-sectional view showing a liquid crystal panel of another example of the liquid crystal display device according to the present invention. Explanation of symbols
  • FIG. 1 is a cross-sectional view showing a liquid crystal panel 1 of a liquid crystal display device according to the present invention.
  • the liquid crystal panel 1 includes a flat electrode layer 2 and pixel electrodes 4 arranged in a matrix via contact holes 3 and TFTs connected to the pixel electrodes 4 (not shown).
  • An alignment film 8 and an alignment film 9 are provided on the pixel electrode 4 and the common electrode 6, respectively.
  • type 1 spacer 10 and type 2 spacer Support 11 is provided.
  • the glass transition temperature of the first type spacer 10 (about 150 ° C) is higher than the glass transition temperature of the second type spacer 11 (about 100 ° C).
  • the linear expansion coefficient of the first type spacer 10 is lOOppm or more, more preferably 300ppm or more, and the compression modulus of the first type spacer 10 is lOOMPa or more, more preferably 500MPa or more. is there.
  • the linear expansion coefficient of the type 2 spacer 11 is 200 ppm or more, more preferably 300 ppm or more, and the compression modulus of the type 2 spacer 11 is lOOMPa or more, more preferably 500 MPa or more.
  • These spacers 10 and 11 and a seal form a gap having a predetermined length between the glass substrates 5 and 7, and a ferroelectric liquid crystal is sealed in the gap to form a liquid crystal layer. 12 is formed.
  • a polarizing plate 13 and a polarizing plate 14 are provided on the outer surfaces of the glass substrate 5 and the glass substrate 7, respectively.
  • a flat resin layer 2 is provided on one glass substrate 5 having TFTs, contact holes 3 are formed, ITO is formed, and pixel electrodes 4 are formed by patterning.
  • the first type spacer 10 is formed, and the alignment film 8 is provided.
  • a common electrode 6 is formed by depositing ITO on the other glass substrate 7, and an alignment film 9 is provided.
  • the second type spacer 11 is formed on the glass substrate 5. After the glass substrates 5 and 7 are rubbed, a seal is formed on the glass substrate 7 and the glass substrates 5 and 7 are bonded together.
  • the temperature at which this bonding is performed (about 135 ° C) is set lower than the glass transition temperature of the first type spacer 10. Therefore, even if an external force is applied as shown in FIG. 2, the first-type spacer 10 functions as a stopper due to its rigidity, so that the cell structure is maintained and a predetermined length of cell gap is maintained. Thus, the first type spacer 10 having a high glass transition temperature functions to maintain a cell gap at the time of bonding.
  • the liquid crystal material such as the inlet
  • the liquid crystal material is heated and pressurized and injected into the empty panel thus manufactured, and after the injection is completed, it is cooled to room temperature and the inlet is sealed. After warming up to the phase transition temperature, orientation treatment is performed by applying a direct current voltage, and then cooled to room temperature again.
  • the temperature at which this liquid crystal material is injected (about 110 ° C.) is set higher than the glass transition temperature of the second type spacer 11. Therefore, as shown in FIG. 3, when the liquid crystal material is injected, the cell gap having a predetermined length is maintained by the second type spacer 11 having a large linear expansion coefficient.
  • the glass transition temperature of the type 2 spacer 11 is lower than the phase transition temperature of the liquid crystal material. Therefore, in the cooling process after the injection, the type 2 spacer 11 does not exceed the glass transition temperature until the liquid crystal material undergoes a phase transition, and therefore changes with a large linear expansion coefficient. As a result, the stress on the liquid crystal material is reduced.
  • FIG. 4 is a cross-sectional view showing a liquid crystal panel 1 of another example of the liquid crystal display device according to the present invention.
  • this example also achieves the same effect as the above-described example.
  • the area occupied by the spacer can be reduced, the effective display area can be expanded.
  • Examples 1 and 2 correspond to the configuration example shown in FIG. 1
  • Example 3 corresponds to the configuration example shown in FIG.
  • a flat resin layer 2 having a thickness of 2.5 m was provided on one glass substrate 5 having a TFT, and after forming a contact hole 3, ITO was formed and a pixel electrode 4 was formed by patterning.
  • a first type spacer 10 having a linear expansion coefficient of 335 ppm, a compression modulus of 590 MPa, and a glass transition temperature of 150 ° C. is formed with an area ratio of 5% and a height of 1.8 m.
  • An alignment film 8 was formed by Z firing.
  • a common electrode 6 was formed by depositing ITO on the other glass substrate 7, and an alignment film 9 was also formed by polyimide film Z firing.
  • the second-type spacer 11 is made of a glass substrate with an area ratio of 5% using an acrylic resist having a linear expansion coefficient after curing of 249 ppm, a compression modulus of 339 MPa, and a glass transition temperature of 108 ° C. After forming to 5 and pre-curing at 100 ° C for 10 minutes, it was rubbed. In addition, after the glass substrate 7 was rubbed, a seal was formed, and the glass substrates 5 and 7 were bonded together so that the rubbing directions were parallel. This was sealed in a vacuum pack and fired at 135 ° C for 90 minutes to produce an empty panel.
  • Monostable ferroelectric liquid crystal was heated in a chiral nematic state (110 ° C) and injected into the produced empty panel under pressure, and after injection was completed, it was cooled to room temperature and the injection port was sealed. .
  • This panel was heated to a chiral nematic state, and an orientation treatment was performed by applying a DC voltage of 12 V between the cells before and after the N *-Sc * transition temperature. From this state, it was gradually cooled to room temperature.
  • a flat resin layer 2 having a thickness of 2.5 m was provided on one glass substrate 5 having a TFT, and after forming a contact hole 3, ITO was formed and a pixel electrode 4 was formed by patterning.
  • a first type spacer 10 having a linear expansion coefficient of 529 ppm, a compressive elastic modulus of 58 MPa, and a glass transition temperature of 150 ° C. is formed with an area ratio of 5% and a height of 1.
  • a polyimide film is formed.
  • An alignment film 8 was formed by Z firing.
  • a common electrode 6 was formed by depositing ITO on the other glass substrate 7, and an alignment film 9 was also formed by polyimide film Z firing.
  • the second-spacer 11 is made of a glass substrate with an area ratio of 5% by an acrylic resist having a linear expansion coefficient after curing of 330 ppm, a compression modulus of 310 MPa, and a glass transition temperature of 108 ° C. After forming to 5 and pre-curing at 100 ° C for 10 minutes, it was rubbed. In addition, after the glass substrate 7 was rubbed, a seal was formed, and the glass substrates 5 and 7 were bonded together so that the rubbing directions were parallel. This was sealed in a vacuum pack and fired at 135 ° C for 90 minutes to produce an empty panel.
  • a monostable ferroelectric liquid crystal was heated in a chiral nematic state (110 ° C) and injected under pressure into the produced empty panel. After the injection was completed, it was cooled to room temperature and the injection port was sealed. . This panel was heated to a chiral nematic state, and an orientation treatment was performed by applying a DC voltage of 12 V between the cells before and after the N *-Sc * transition temperature. From this state, it was gradually cooled to room temperature.
  • a flat resin layer 2 with a thickness of 2.5 m is provided on one glass substrate 5 with TFT, After forming the tato hole 3, ITO was deposited and the pixel electrode 4 was formed by patterning. Next, a first type spacer 10 having a linear expansion coefficient of 335 ppm, a compression elastic modulus of 590 MPa, and a glass transition temperature of 150 ° C. is formed with an area ratio of 10% and a height of 1. Further, a polyimide film is formed. An alignment film 8 was formed by Z firing. A common electrode 6 was formed by depositing ITO on the other glass substrate 7, and an alignment film 9 was also formed by polyimide film Z firing.
  • the second type spacer 11 has already been formed of an acrylic resist having a linear expansion coefficient after curing of 249 ppm, a compression modulus of 339 MPa, and a glass transition temperature force S of 108 ° C. It was formed on a type 1 spacer 10 at an area ratio of 2%, pre-cured at 100 ° C. for 10 minutes, and then subjected to a rubbing treatment. Further, after the glass substrate 7 was rubbed, a seal was formed, and the glass substrates 5 and 7 were bonded together so that the rubbing directions were parallel. This was sealed in a vacuum pack and baked at 135 ° C for 90 minutes to produce an empty panel.
  • Monostable ferroelectric liquid crystal was heated in a chiral nematic state (110 ° C) and injected into the produced empty panel under pressure, and after the injection was completed, it was cooled to room temperature and the injection port was sealed. .
  • This panel was heated to a chiral nematic state, and an orientation treatment was performed by applying a DC voltage of 12 V between the cells before and after the N *-Sc * transition temperature. From this state, it was gradually cooled to room temperature.
  • a flat resin layer 2 having a thickness of 2.5 m was provided on one glass substrate 5 having TFTs, and after forming a contact hole 3, ITO was formed and a pixel electrode 4 was formed by patterning.
  • a spacer having a linear expansion coefficient of 63 ppm, a compressive modulus of 934 MPa, and a glass transition temperature of 200 ° C. (corresponding to the first type spacer 10 of the present invention) is obtained with an area ratio of 5% and a height of 1
  • the film was formed with a thickness of 8 ⁇ m, and a polyimide film was formed.
  • ITO film is formed on the other glass substrate 7 to form the common electrode 6, and polyimide film is also formed by Z firing.
  • An alignment film 9 was formed.
  • Both glass substrates 5 and 7 were rubbed with a rayon puff. Furthermore, adhesive beads (corresponding to type 2 spacer 11 of the present invention) having an average particle diameter of about 4 ⁇ m and a linear expansion coefficient of 61 ppm, a compression modulus of 256 MPa, and a glass transition temperature of 100 ° C. It was sprayed on the glass substrate 5 in the density of about 100 ZMM 2. Further, a seal was formed on the glass substrate 7 and the glass substrates 5 and 7 were bonded together so that the rubbing directions were parallel. This was enclosed in a vacuum pack and baked at 135 ° C for 90 minutes to produce an empty panel.
  • a monostable ferroelectric liquid crystal was heated in a chiral nematic state (110 ° C) and injected under pressure into the produced empty panel, and after the injection was completed, it was cooled to room temperature and the injection port was sealed. .
  • This panel was heated to a chiral nematic state, and an orientation treatment was performed by applying a DC voltage of 12 V between the cells before and after the N *-Sc * transition temperature. From this state, it was gradually cooled to room temperature.
  • a flat resin layer 2 having a thickness of 2.5 m is provided on one glass substrate 5 having a TFT, a contact hole 3 is formed, an ITO film is formed, and a pixel electrode 4 is formed by patterning. Further, an alignment film 8 was formed by film formation Z baking of polyimide. ITO was formed on the other glass substrate 7 to form the common electrode 6, and the alignment film 9 was formed by the same film formation Z firing of polyimide. Both glass substrates 5 and 7 were rubbed with a rayon puff.
  • Silica beads with a particle size of 1. 8 / zm (corresponding to type 1 spacer 10), an average particle size of 61ppm linear compression coefficient, 256MPa compressive modulus, 100 ° C glass transition temperature
  • About 4 ⁇ m adhesive beads (corresponding to the second type spacer 11) were sprayed on the glass substrate 5 with a density of about 100 Zmm 2 each. Further, a seal was formed on the glass substrate 7, and the glass substrates 5 and 7 were bonded together so that the rubbing directions were parallel. This was sealed in a vacuum pack and baked at 135 ° C for 90 minutes to produce an empty panel.
  • a monostable ferroelectric liquid crystal was heated in a chiral nematic state (110 ° C) and injected under pressure into the produced empty panel. After the injection was completed, it was cooled to room temperature and the injection port was sealed. . This panel is heated to a chiral nematic state, and before and after the N *-Sc * transition temperature, Orientation treatment was performed by applying a DC voltage of 12V between the cells. From this state, it was gradually cooled to room temperature.
  • a flat resin layer 2 having a thickness of 2.5 m was provided on one glass substrate 5 having TFTs, and after forming a contact hole 3, ITO was formed and a pixel electrode 4 was formed by patterning.
  • a spacer with a linear expansion coefficient of 335ppm, a compression modulus of 590MPa, and a glass transition temperature of 150 ° C is formed with an area ratio of 5% and a height of 1.
  • an alignment film 8 was formed by polyimide film Z firing.
  • a common electrode 6 was formed by depositing ITO on the other glass substrate 7, and an alignment film 9 was also formed by polyimide film Z firing. Both glass substrates 5 and 7 were rubbed with a rayon puff.
  • a monostable ferroelectric liquid crystal was heated to a chiral nematic state (110 ° C) and injected into the produced empty panel under pressure. After the injection was completed, the injection port was sealed by cooling to room temperature. .
  • This panel was heated to a chiral nematic state, and an orientation treatment was performed by applying a DC voltage of 12 V between the cells before and after the N *-Sc * transition temperature. From this state, it was gradually cooled to room temperature. In this liquid crystal panel, alignment defects did not occur in the liquid crystal layer direction immediately after the alignment treatment. In addition, even when the temperature changed, alignment defects did not occur.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

Dans la présente invention, deux entretoises [une première entretoise (10) et une seconde entretoise (11)] de matières et de propriétés physiques différentes sont placées entre des substrats de verre (5 et 7) pour garantir un espace uniforme en transparence. La première entretoise (10) présente une température de transition vitreuse (environ 150°C) supérieure à celle de la seconde entretoise (11) (environ 100°C). La première entretoise (10) présente un coefficient d'expansion linéaire de 100 ppm ou plus et une élasticité compressive de 100 MPa ou plus. La seconde entretoise (11) présente un coefficient d'expansion linéaire de 200 ppm ou plus et une élasticité compressive de 100 MPa ou plus. Les substrats de verre (5 et 7) sont combinés à une température inférieure à la température de transition vitreuse de la première entretoise (10) et un matériau de cristaux liquides est injecté à une température supérieure à la température de transition vitreuse de la seconde entretoise.
PCT/JP2005/004466 2005-03-14 2005-03-14 Dispositif d’affichage à cristaux liquides et procédé de fabrication du dispositif d’affichage à cristaux liquides WO2006097993A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2005800490955A CN101142516B (zh) 2005-03-14 2005-03-14 液晶显示装置和液晶显示装置的制造方法
JP2007507963A JPWO2006097993A1 (ja) 2005-03-14 2005-03-14 液晶表示装置及び液晶表示装置の製造方法
PCT/JP2005/004466 WO2006097993A1 (fr) 2005-03-14 2005-03-14 Dispositif d’affichage à cristaux liquides et procédé de fabrication du dispositif d’affichage à cristaux liquides

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JP2009115933A (ja) * 2007-11-05 2009-05-28 Mitsubishi Electric Corp 液晶表示装置及びその製造方法
JP2010085796A (ja) * 2008-09-30 2010-04-15 Casio Computer Co Ltd 液晶表示装置およびその製造方法
JP2011022212A (ja) * 2009-07-13 2011-02-03 Fujitsu Ltd 液晶表示素子
JP2011027851A (ja) * 2009-07-22 2011-02-10 Fujitsu Ltd 液晶表示素子
WO2013047643A1 (fr) * 2011-09-27 2013-04-04 積水化成品工業株式会社 Particules d'espacement pour couche de composition de résine et applications associées
CN104360544A (zh) * 2014-11-14 2015-02-18 京东方科技集团股份有限公司 液晶盒组件及其制作方法、液晶显示面板和显示设备
US9572874B2 (en) 2008-09-30 2017-02-21 Curevac Ag Composition comprising a complexed (M)RNA and a naked mRNA for providing or enhancing an immunostimulatory response in a mammal and uses thereof

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JP6025324B2 (ja) * 2011-12-15 2016-11-16 三菱電機株式会社 液晶表示装置
CN104570491B (zh) * 2015-01-20 2017-10-20 昆山龙腾光电有限公司 液晶显示装置的制作方法
CN105552077B (zh) * 2016-02-16 2019-05-03 武汉华星光电技术有限公司 薄膜晶体管阵列基板及其制备方法、触摸显示面板
US11133580B2 (en) * 2017-06-22 2021-09-28 Innolux Corporation Antenna device
CN108873495A (zh) * 2018-07-13 2018-11-23 深圳市华星光电技术有限公司 一种液晶显示基板及其制备方法、液晶显示装置

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JP2011027851A (ja) * 2009-07-22 2011-02-10 Fujitsu Ltd 液晶表示素子
WO2013047643A1 (fr) * 2011-09-27 2013-04-04 積水化成品工業株式会社 Particules d'espacement pour couche de composition de résine et applications associées
CN104360544A (zh) * 2014-11-14 2015-02-18 京东方科技集团股份有限公司 液晶盒组件及其制作方法、液晶显示面板和显示设备
CN104360544B (zh) * 2014-11-14 2017-07-14 京东方科技集团股份有限公司 液晶盒组件及其制作方法、液晶显示面板和显示设备
US9939687B2 (en) 2014-11-14 2018-04-10 Boe Technology Group Co., Ltd. Liquid crystal cell and method for fabricating the same, liquid crystal display panel, and display device

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